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Half Birthday Calculator

Half Birthday Calculator

Enter the date, month, and year of your birth to calculate your half birthday. This half birthday calculator will also let you know the number of days left in your next half birthday.

Date of Birth:


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Half birthday calculator calculates the exact day and date when your half birthday arrives. Know when you and your dear ones will get a half year more old from your actual birthday.

What Is a Half Birthday?

The half birthday refers to a day that comes either six months before or after the actual birthday of a person.

When Will Be My Half Birthday?

Half birthday means a person’s age is increased by 6 more months. You can calculate half birthday by two methods that are as under:

Method 01:

  • Count six months from your actual date of birth which is your half birthday

This method is less accurate. The reason is that every month has not the equal number of days. According to Gregorian Calendar, a person born on August 30 can not have his/her half birthday on February 30 which has either 28 or 29 days in total.

Method 02:

  • You may add or subtract half of the total days in a year from your date of birth

According to this method that is more accurate, a person born on August 31 may have his next half birthday either on February 29 (in case of a leap year) or March 01 (in case of a regular year)


What is My Half Birthday If I Was Born on July 05, 2001?


Half Birthday (in terms of Months) = July 05, 2001 – January 05, 2001 = 6 Months = January 05, 2023

Half Birthday (in terms of Days) = 182.5 days ahead of July 05, 2001 = January 03, 2023

Moreover, we have arranged the chart below that will let you know your next and previous half birthdays:

Previous Half Birthday (Years) Actual Birthday (Years) Next Half Birthday (Years)
0 0.5
0.5 1 1.5
1.5 2 2.5
2.5 3 3.5
4.5 4 5.5
4.5 5 5.5
5.5 6 6.5
6.5 7 7.5
7.5 8 8.5
8.5 9 9.5
9.5 10 10.5
10.5 11 11.5
11.5 12 12.5
12.5 13 13.5
13.5 14 14.5
14.5 15 15.5
15.5 16 16.5
16.5 17 17.5
17.5 18 18.5
18.5 19 19.5
19.5 20 20.5
20.5 21 21.5
21.5 22 22.5
22.5 23 23.5
23.5 24 24.5
24.5 25 25.5
25.5 26 26.5
26.5 27 27.5
27.5 28 28.5
28.5 29 29.5
29.5 30 30.5

How Does The Calculator Work?

The tool is loaded with a simple interface that allows you to operate it without any hurdle. What you need to do includes:

What You Need To Enter?

  • Enter your exact date of birth in the designated field and tap on calculate button

What You Will Get:

  • The exact date and weekday of past and upcoming half birthday
  • Number of days left since last half birthday and upcoming half birthday
  • Exact date and day of the 1st and 3rd quarter birthday
  • Your next birthday


Is a Half Birthday a Real Thing?

Yes of course! You may celebrate your half birthday to make some fun with your kids, friends, and relatives. Perhaps you decorate your home just like you do on your actual birthday. But it is on chance whether you get gifts or not.

What Is 6 Month Baby Called?

A six-month baby is considered an infant. This is because an infant is a child of age anywhere between 0-1 year. If a newborn baby has landed in your family, you can enter his/her date of birth on our half birthday calculator to exactly calculate when he/she is going to be 6 months old.

How Many Days Is Half a Year?

A regular year has 365 days in total which means its half is exactly 182.5 days. When it comes to a leap year, it has 366 days and half of 183 days.

Whens My Half Birthday Compared To Celebrities?

Do you want to know which celebrities you share your midway day with? Let’s jump down to the table!

Your Birthday Date Your Next Half Birthday Celebrities You Share Your Half Birthday With
January 1 July 1 Poppy, Acrello, Ryan Grantham Nia Lovelis, Colin Morgan. Tank, Martie Blair, Diamond White
January 15 July 15 Martin Luther King, Jr., Ash Kash Pitbull, Dove Cameron, Skrillex
Grace VanderWaal, Ben Shapiro
January 15 July 15 Martin Luther King, Jr., Ash Kash
Pitbull, Dove Cameron, Skrillex
Grace VanderWaal, Ben Shapiro
January 31 July 31 Justin Timberlake, Mallory Mahoney Minnie Driver, Josh Richards
Jackie Robinson, Joel Courtney
February 1 August 1 Harry Styles, Rayhart Adams Michael C. Hall, Clark Gable, Jihyo
Lisa Marie Presley, Jessica Baio
February 15 August 15 Megan Three Stallion, Dede 3X Zachary Gordon, Birdman
Lil Poopy, Ross Duffer
February 28 August 28 Rudy Mancuso, LunarEclipse Jason Aldean, Dream Doll
Adam McArthur, Jonathan Daviss
February 29 August 29 Korede Bello, Ja Rule Tony Robbins, Dinah Shore
Mark Foster, Jessie Usher
March 1 September 1 Justin Bieber, Kesha, Philza Don Lemon, Sapnap
Sabrina Quesada, Jensen Ackles
March 15 September 15 Lil Dicky, william, Derkslurp Connor Ball, Eva Longoria
Paul Pogba, Alia Bhatt
March 31 October 1 Tait Blum, Christopher Walken Ewan McGregor, Josh Beauchamp
Vice Ganda, Noah Urrea, Powfu
April 1 October 1 Asa Butterfield, Debbie Reynolds Troy Baker, Randy Orton
Milly Alcock, Kid Ink, Logan Paul
April 15 October 15 Luis Fonsi, Cooper Barnes Emma Watson, Seth Rogan
Cody Christian, Jacquees
April 30 October 30 Travis Scott, Lil TJ, Bella Blu Gal Gadot, Kirsten Dunst
Ana de Armas, Dianna Agron
May 1 November 1 Charli D’Amelio,YNW Melly Lizzy Greene, Jamie Dornan
James Murray, Tim McGraw
May 15 November 15 Sarah Hunt, Role Model, Birdy Zara Phillips, SmokePurpp
Mollee Gray, Andy Murray
May 31 December 1 Kouvr Annon, Normani
CupcakKe, Brooke Shields
June 1 December 1 Tom Holland, Heidi Klum, Notch Marilyn Monroe, Morgan Freeman
Amy Schumer, Willow Shields
June 15 December 15 Sissy Sheridan, Courtney Cox Ice Cube, Mohamed Salah
Neil Patrick Harris, Dani Calleiro
June 30 December 30 Cheryl Ann Tweedy, TinaKitten
Michael Phelps, Mike Tyson
July 1 January 1 Jack Avery, Princess Diana
Brynn Rumfallo, Tate McRae
July 15 January 15 Abbie Herbert, Ariana Lee Bonfiglio, Cora Bennett
Gabriel Iglesias, Julio Pena
July 31 January 31 Lil Uzi Vert, Angelica Hale
J.K. Rowling, Hayden Haas
August 1 February 1 Christopher Sturniolo, Jason Momoa, Leon Thomas III Delina Hillock, Mia Stammer Matthew Sturniolo
August 15 February 15 Chief Keef, Ben Affleck
Joe Jonas, Jennifer Lawrence
August 31 March 1 Jason Maybaum, Chris Tucker
Jeff Hardy, Malinda Panton
September 1 March 1 Jungkook, Dr. Phil, Sam Hurley
Zendaya, Olivia Haschak
September 15 March 15 Prince Harry, Felix Lee, Tom Hardy
Jenna Marbles, Sommer Ray
September 30 March 30 Chantel Jeffries, Levi Miller
Trevi Moran, Maddie Ziegler
October 1 April 1 FGTeeV Chase, Julie Andrews Sage Rosen, Luna Blaise
Olivia Dunne, Brie Larson
October 15 April 15 Malu Trevejo, Daniel Gizmo Billy Unger, Bailee Madison
AllAroundAudrey, Zephan Clark
October 31 May 1 Christopher Columbus, ItsFunneh Willow Smith, Frank Iero
Autumn Monique, Danielle Rose Russell, Marcus Rashford
November 1 May 1 GeorgeNotFound, NLE CHOPPA Paige Hyland, Jayden Bartels
Macei, Lil Peep, Anthony Ramos
November 15 May 15 Jeffree Star, Jenny Popach Shailene Woodley, MatPat
Jackson Passaglia, HyunJin
November 30 May 30 Jorge Garay, Emily Skinner Ben Stiller, Chrissy Teigen
Trinity Fatu, Ian Hecox, Steve Aoki
December 1 June 1 Zoe Kravitz, Corinna Kopf Tyler Joseph, Janelle Monae
Robert Irwin, Vance Joy, Ella Gross
December 15 June 15 Antonio Garza, Sicily Rose Maude Apatow, Jeff Wittek
Skyler Aboujaoude, Maya Henry
December 31 July 1 Brooklyn McKnight, Hunter Schafer, Max Mills, Harvey Mills
Gabby Douglas, Psy, TanqR


From the source of Wikipedia: Half-birthday